package com.yang.mapper;


import com.yang.pojo.dto.CityAndNum;
import org.apache.ibatis.annotations.Mapper;

import org.springframework.stereotype.Component;

import java.util.List;

/**
 * @author YangZhou
 * 2021-09-26-20:24
 */
@Mapper
@Component
public interface EpidemicMapper {
    List<CityAndNum> queryAll();
}
